Question to the HM Treasury:

To ask the Chancellor of the Exchequer, in January 2021 how many calls to HMRC's telephone advice lines for people completing a self assessment form were not answered by an HMRC call agent within (a) 20 minutes, (b) 15 minutes, (c) 10 minutes, (d) 5 minutes.

Information on HMRC performance can be found here: https://www.gov.uk/government/collections/hmrc-quarterly-performance-updates

https://www.gov.uk/government/collections/hmrc-monthly-performance-reports